/* CSS Variables */
:root {
  /* Colors */
  --primary-color: #2D5A5A;
  --primary-dark: #1a3833;
  --primary-darker: #1a4040;
  --bg-cream: #F5F1E8;
  --text-dark: #333;
  --text-medium: #666;
  --text-primary: #2c5f5a;
  --error-color: #a74545;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 15px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 40px;
  --spacing-2xl: 60px;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-main: 0 20px 60px rgba(0, 0, 0, 0.3);
  --shadow-button: 0 8px 20px rgba(45, 90, 90, 0.3);
  --shadow-mobile: 0 4px 12px rgba(0, 0, 0, 0.1);
 }
 
 /* Reset and Base Styles */
 * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
 }
 
 body {
  font-family: 'Arial', sans-serif;
  background-color: var(--primary-color);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
 }

 @keyframes fadeIn {
  to { opacity: 1; }
}
 
 /* Utility Classes */
 .divider-vertical {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  background-color: var(--primary-color);
 }
 
 .text-center { text-align: center; }
 .flex-center { 
  display: flex; 
  align-items: center;
  justify-content: center;
}
 
 /* Main Container */
 .container {
  max-width: 1400px;
  margin: 16px auto;
  background-color: var(--bg-cream);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-main);
  min-height: calc(100vh - 40px);
 }
 
 /* Layout Grid */
 .layout {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
  min-height: calc(100vh - 40px);
  position: relative;
 }
 
 /* Sidebar Navigation */
 .sidebar {
  background-color: var(--bg-cream);
  padding-top: var(--spacing-xl);
  position: relative;
 }
 
 .sidebar::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  background-color: var(--primary-color);
 }
 
 .logo {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-lg);
 }
 
 .logo-icon {
  width: 80px;
  height: 45px;
  margin: 0 auto 10px;
  background: linear-gradient(45deg, var(--primary-color) 25%, transparent 25%),
    linear-gradient(-45deg, var(--primary-color) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--primary-color) 75%),
    linear-gradient(-45deg, transparent 75%, var(--primary-color) 75%);
  background-size: var(--spacing-xs) var(--spacing-xs);
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  border-radius: var(--radius-md);
 }
 
 .logo-text {
  font-size: 32px;
  font-weight: bold;
  color: var(--primary-color);
  letter-spacing: 2px;
 }
 
 .logo-subtitle {
  font-size: 12px;
  color: var(--text-medium);
  letter-spacing: 4px;
  margin-top: 5px;
 }
 
 .nav-menu {
  list-style: none;
  padding: 0;
  border-top: 2px solid var(--primary-color);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
 }
 
 .nav-item {
  margin-bottom: var(--spacing-md);
 }
 
 .nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  border-bottom: 1px solid #eee;
 }
 
 .nav-link:hover {
  padding-left: var(--spacing-xl);
  color: var(--primary-dark);
 }
 
 .nav-link:focus {
  background-color: var(--text-primary);
  color: var(--bg-cream);
 }
 
 /* Middle Column - Weather and Image */
 .middle-column {
  position: relative;
  background-color: var(--bg-cream);
  display: flex;
  flex-direction: column;
 }
 
 .middle-column::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  background-color: var(--primary-color);
 }
 
 /* Weather Section */
 .weather-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-bottom: 2px solid var(--primary-color);
  flex-shrink: 0;
 }
 
 .weather-title {
  font-size: 28px;
  color: var(--primary-color);
  font-weight: 300;
  letter-spacing: 1px;
 }
 
 .weather-content {
  margin-top: var(--spacing-sm);
  font-size: 16px;
  color: var(--text-medium);
 }
 
 .weather-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 18px;
  color: var(--primary-color);
  font-weight: 600;
 }
 
 .weather-location {
  font-weight: 600;
  text-transform: capitalize;
 }
 
 .weather-separator {
  color: var(--primary-color);
  font-weight: 300;
 }
 
 .weather-temp {
  font-weight: 600;
  font-size: 18px;
 }
 
 .weather-error {
  color: var(--error-color);
  font-style: italic;
 }
 
 /* Hero Image */
 .hero-image {
  width: 100%;
  flex-grow: 1;
  background-image: url('https://images.pexels.com/photos/3825568/pexels-photo-3825568.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 2px solid var(--primary-color);
  min-height: 400px;
 }
 
 /* Stats Section */
 .stats-section {
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-shrink: 0;
 }
 
 .stat {
  text-align: center;
 }
 
 .stat-number {
  font-size: 72px;
  font-weight: bold;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
 }
 
 .stat-label {
  font-size: 14px;
  color: var(--text-medium);
  letter-spacing: 2px;
  font-weight: 500;
 }
 
 .stats-divider {
  width: 2px;
  height: 80px;
  background-color: var(--primary-color);
 }
 
 /* Right Column - Main Content */
 .content-column {
  padding: var(--spacing-2xl) 0;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  position: relative;
  text-align: center;
 }
 
 .main-headline {
  font-size: 64px;
  font-style: italic;
  color: var(--primary-color);
  line-height: 1.1;
  letter-spacing: -1px;
  padding: 0 50px;
 }
 
 .content-divider {
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  margin: 0;
 }
 
 .subheading {
  font-size: 32px;
  color: var(--primary-color);
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 0;
  padding: 0 50px;
 }
 
 .description-cta-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: 0 50px;
 }
 
 .description {
  font-size: 18px;
  color: var(--text-primary);
  line-height: 1.6;
  text-align: center;
 }
 
 .cta-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 18px 36px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  /* position: relative;
  overflow: hidden; */
}

.cta-button:hover {
  background-color: var(--primary-darker);
  transform: translateY(-2px);
  box-shadow: var(--shadow-button);
}

.cta-button.clicked {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

.cta-button:active {
  transform: scale(0.95);
}
 
 /* Mobile Navigation */
 .mobile-nav-toggle {
  display: none;
  background-color: var(--primary-color);
  color: var(--bg-cream);
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: var(--spacing-md);
  position: fixed;
  z-index: 1001;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-mobile);
}

.menu-icon {
  display: inline-block;
  transition: transform var(--transition-base);
}

.mobile-nav-toggle[aria-expanded="true"] .menu-icon {
  transform: rotate(90deg);
}
 
 .mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
 }
 
 /* Responsive Design */
 @media (max-width: 1000px) {
  .container {
    margin: var(--spacing-md);
    border-radius: var(--radius-lg);
    min-height: calc(100vh - 40px);
  }

  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
  }

  .mobile-nav-toggle {
    display: block;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
  }

  .sidebar,
  .middle-column,
  .content-column {
    width: 100%;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-cream);
    z-index: 1000;
    transition: left var(--transition-base);
    overflow-y: auto;
    border-right: 2px solid var(--primary-color);
    padding: var(--spacing-md) 0;
  }

  .sidebar.active {
    left: 0;
  }

  .sidebar::after,
  .middle-column::after {
    display: none;
  }

  .middle-column { order: 1; }
  .content-column { 
    order: 2;
    padding: var(--spacing-xl) 0;
  }

  .description-cta-container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
  }

  .main-headline {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
  }

  .subheading {
    font-size: 24px;
    margin: var(--spacing-md) 0;
    padding: 0 var(--spacing-lg);
  }

  .hero-image {
    min-height: 250px;
  }

  .stats-section {
    padding: var(--spacing-lg) var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: 56px;
  }

  .stats-divider {
    width: 80px;
    height: 2px;
  }

  .weather-section {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .weather-title {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .container {
    margin: 10px;
    border-radius: 12px;
  }

  .main-headline,
  .subheading,
  .description-cta-container {
    padding: 0 var(--spacing-md);
  }

  .main-headline {
    font-size: 36px;
  }

  .subheading {
    font-size: 20px;
  }

  .stats-section {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .stat-number {
    font-size: 48px;
  }

  .weather-section {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .description {
    font-size: 16px;
  }

  .weather-info {
    font-size: 14px;
    gap: var(--spacing-xs);
  }
  
  .weather-temp {
    font-size: 16px;
  }
}